Vcelak; Jan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Vcelak; Jan.The latest application filed is for "system and method for determining an instantaneous speed of a projectile".
- Vcelak; Jan - Kladno CZ
| Patent | Date |
|---|---|
| System And Method For Determining An Instantaneous Speed Of A Projectile App 20160169929 - Donahoe; Robert V. ; et al. | 2016-06-16 |
| Apparatus, system and method for electronic archery devices Grant 9,005,057 - Donahoe , et al. April 14, 2 | 2015-04-14 |
| Apparatus, system and method employing arrow flight-data Grant 8,733,168 - Donahoe , et al. May 27, 2 | 2014-05-27 |
| Apparatus, System And Method For Electronic Archery Devices App 20140018198 - Donahoe; Robert V. ; et al. | 2014-01-16 |
| Apparatus, system and method for electronic archery devices Grant 8,449,414 - Donahoe , et al. May 28, 2 | 2013-05-28 |
| Apparatus, System And Method Employing Arrow Flight-data App 20110226038 - Donahoe; Robert V. ; et al. | 2011-09-22 |
| Apparatus, System And Method Employing Acceleration Data App 20110202152 - Barton; John ; et al. | 2011-08-18 |
| Apparatus, System And Method For Electronic Archery Devices App 20110172039 - Donahoe; Robert V. ; et al. | 2011-07-14 |
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